feat: 实现快手电子凭证三个出站回调接口

- 新增 send-callback-service.ts: 卡券发码回调 (eticket/send)
- 新增 consume-callback-service.ts: 核销回调 (eticket/consume)
- 新增 destroy-callback-service.ts: 销毁回调 (eticket/destroy)
- 三个回调均在对应入站接口处理成功后异步触发(fire-and-forget)
- 共享 sendCallbackEnabled 开关控制，默认关闭
- 新增 accessToken 配置项(OAuth获取)
- 新增 scripts/curl-send-callback.ts: 手动测试 curl 生成脚本
- docker-compose 添加 KUASHOU_INDUSTRY_ACCESS_TOKEN / SEND_CALLBACK_ENABLED 环境变量

apps/backend/src/config/defaults.ts

@@ -49,6 +49,8 @@ export function createDefaultRuntimeConfig(projectRoot: string): RuntimeConfig {
         appSecret: "",
         signSecret: "",
         messageSecret: "",
+        accessToken: "",
+        sendCallbackEnabled: false,
         provider: "kuaishou-industry",
         platform: "kuaishou",
         shopId: "kuaishou-industry",